Creating a variable reserves a memory location, or a space in memory for storing values. What is meant by values

Answer 1

int x;
That has reserved x to be of int
int x=17;
That has reserved 17(which is a value) to x

Answer 2

Sorry,Thats all I can elaborate, I dont know c++, I explained in java,these are pretty similar languages

Answer 3

Please elaborate more. I don't understand.

If your talking about Pointers you call them like

int in = 55;
int *ptr = &in

Answer 4

int x = 24;
In the expression above, type: int, variable: x and value is 24.
4 bytes (for integers) are taken from stack (memory), and 24 is written in that memory.

Answer 5

Elaborate me also